When the pain "check engine" light comes on

Your torn-up knee is the tire...........So when you blew out the tire, is it because you ran over nails?--Contact injuryAnd when you ran over the nails, is it because you were driving stupid, or safely?--Poor formIf there were no nails, is it because the tire tread was low?--Non-painful dysfunctionDid you check the tires' tread?--ScreeningWhen was the last time you rotated the tires?--Program designMaybe the axle alignment was off on the car?--Neighboring jointsIs it possible that something in the middle of the chassis threw off the axle, which threw off the alignment, which ran off the tread of the tire?--Regional InterdependenceWhen the Check Engine light (pain) comes on, you might be able to make it to the shop.You might be able to make it another 100, 200, 300 miles.You might not.And during the 5 seconds before the Check Engine light came on, do you really think the car was perfect?